/* Turn off list bullets */
ul.tree li { 
    list-style: none; 
}

/* ul.tree, ul.tree ul, ul.tree li { margin: 0; padding: 0; } */

/* Provide space for our own "bullet" inside the link */
ul.tree li a { 
    padding-left: 20px; 
}

/* Show "bullets" in the links, depending on the class of the
   LI that the link's in */
ul.tree li.open a {
		background: url(minus.gif) center left no-repeat;
}
ul.tree li.closed a {
    background: url(plus.gif) center left no-repeat; 
    /* padding: 3px; display: block; color: #0000cc; border: solid 2px #cccccc; text-decoration: none; font-weight: bold; */
}
ul.tree li.bullet a {
    background: url(bullet.gif) center left no-repeat;
}

/* Actually show and hide sublists */
ul.tree li.open ul { 
    display: block; 
}
ul.tree li.closed ul { 
    display: none; 
}